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Proceedings Paper

Selective measurement of quantronium qubit states by using of mesoscopic non-linear oscillator
Author(s): M. V. Denisenko; A. M. Satanin
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Paper Abstract

We study the process of selective measurements of states of individual quantum systems - Josephson qubit – using nonlinear oscillator, working in the mesoscopic regime, when the number of quanta in the measuring process varies from a few dozen to a few hundred. Quantum Monte-Carlo method simulated dissipative dynamics of the system "qubit - oscillator" and the measurement process of a qubit state to modify the number of quanta of the oscillator. It is shown that for different Rabi-pulses of the recording state of a qubit the discrimination of states is possible, as well as the measurement of the effect of back-action of the measuring device, including separation of the prepared superposition state – carrying out statistical projective measurements.

Paper Details

Date Published: 30 December 2016
PDF: 9 pages
Proc. SPIE 10224, International Conference on Micro- and Nano-Electronics 2016, 102242Z (30 December 2016); doi: 10.1117/12.2267131
Show Author Affiliations
M. V. Denisenko, Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation)
A. M. Satanin, Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation)


Published in SPIE Proceedings Vol. 10224:
International Conference on Micro- and Nano-Electronics 2016
Vladimir F. Lukichev; Konstantin V. Rudenko, Editor(s)

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